It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-490815977879.mit-edu.top/post/0698257134

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-490815977879.mit-edu.top",cType: 'managed',cRay: '90f53b22eda22d0f',cH: 'uHpsjKDHAS8DbEAAWDSzVVUiMpvFPNJWNALrmHiqTwg-1739118490-1.2.1.1-9z3z7a.wES.OC7SihxeP0eOcrHZwJ0gUHtsWSCZX4wyTjXp8I.dyAA.1rLBQlmRb',cUPMDTk: "\/post\/0698257134?__cf_chl_tk=snl_iIYYLFF84sH52q0FU_s8kGtjnedAYBPXwRoyca8-1739118490-1.0.1.1-vusWzVCaCi5syOttxuI1VAD8h5VhsxWVsE3adMfNoGk",cFPWv: 'g',cITimeS: '1739118490',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0698257134?__cf_chl_f_tk=snl_iIYYLFF84sH52q0FU_s8kGtjnedAYBPXwRoyca8-1739118490-1.0.1.1-vusWzVCaCi5syOttxuI1VAD8h5VhsxWVsE3adMfNoGk",md: "c.Q8zS05_6MvF_Dy_n7VAh3ZKq1fOLfDb3jkI5lni58-1739118490-1.2.1.1-nm7ZWBqvE3D6Cy6UnH2zZmXNZklV3Flhm4cypPnpXZvZxT3E6wOZTHrGhNPrPNaJcldfX48fv3NBJ8bDSCHmdHGsUx8Y6GJAbnXq2fnDvHpdJYg8O_8yXH2NCTfNg5_4c.X.7Lt5eJEmIMFTHDjV.XNs4lC7VblIGl8LMuk2Lk_A2jK_J_e60BfPz_PSCr9rvsZJu98k3DpO.cXWV2k9EYeiYCkilqFTifPbgDtMqAFtyc5GQJvzJ72pd2lxchjTSpv82LGIi95pAAiQht.HWaJd3JclGYlQG4yfJe.t_HGDZHZLa02PZEdiY9YGMTjLgyapuww9IT0rB7R5P9IOWwsVSoPcZaWxI_qrHFGKsT.U7unidmIlTu349tMjEqTe1y8wRrD0MczqtVGlqyGoHNEjlNOFePXIQinWu8xB7Boqm3LEyxrdKXgjfetPET9DLo6sss0QnNNYY2d1lrHtcxLO3Jy1lZW9T3c9ZMFOgzEAeIV1eu8BDalqd2I1eVpTFSyJPlzza4DH4iDeFFMFqL2iasvynRx6w.K_me0NKhiX.ds.DCY5Uvd0SMgH5MbneqXtBBj0NgQXEpVq64FQR5NQCcJJk9mrc8BTgFxanQmnIrZ4AeklKGeyUN4qGL5K7FjLhjjFtXReAZSJfQY8EB2Gaqc2hVdUbMsVjnwK81RErMvaoOr.7S5qvcIUuFOwJvUE52NwnaoE77icrVYvEzG8StWkBvs25rNYiEQUgAkxXvAXw5Wv.qG6qxt2GeVPyubDmlSTKbPZnTTDSDornooMyKd3TTbF3N78Q.N9xbl0vYT1paaoq1i6zjA9C71Ntsk1ZNpRexaS0ZXhtkV80QBflAA3ZzX4KlCaThqWY9rAJ2HSPjfFjgxXElRjlDlWAeJMExyPD4H9a7s998_.m5BkjLslJH.rFyKzFI6xpdhONcS0h8TFCYIIBJCgZl0nTK80Qrmgt8xIQfASSj9cPQIl9MYaIg0UssbaadvbB_Pgv1vIUsunbUarMAZhValM.TEBXNleP1NiqkjjQAOfMUt4rc1YFOX5nRpj7mMBZNCFAWrIJIfGgdG8vv78.CL__hrbTROXUvqgp.G1lcbSHODlSzfaJAw_tTV5.1KwoTmL0b5kxMRBN66_POq_RfJhGLRM6LGYB_xjh5u1OnnvaSshoXZEwSEIR0H0voaaxXKeg1MhpolOcIyJReq5vUDCwqopXD8qqjcrRjn8k06sNyW.LQ8gFuER9mW.yzn_abxkpfaY6zXqUWhzLFDilMPQlGEnkgs500r9sGTeFGb4iptRSJ9jWpdrgpfN0U5bElcrPe.MXa7.8mQYhOeGDqtNrhM4jSOWdzWkmRBZof6Y5AiWDop.hROfKNsG95SjPzkaW_U6vf29ZRsIHhhCqFbh07J3a6Q7d2GfxHTJsf2rpcEu.V8Oo9cQD7lZMraizW3AHjJjJMqEuizvbpr_UvoISDrt2SkGaNn1lkCFneEaEexNVzTig0CK5swD8kImBB62pa.Uz_bP6bH1Yqkfuevy1l4sPUrWMmiof3UABx0HiIuCyQZZpyOvh.1Z.CHw9z0Ep1c9IEmWPiEXqmLlP0.r8_PLPPVQqJkGwv.aH_wWBtm3_VN8sgQq5w1NcGFs9BibjH8ne5FiZ9aSvbaTUx6vfSyRwNIhaybwa.McUnEWsI2w8G7IlvOB_eQXoPxIp2R20qY0CqoeZFPncxychxkoFCJZKZJs880zlslz6eVVPugVBQPCFqUpCHO8m.Qx04RiErP6dfNxUdXufMugJauerY8ZsGmbxo0Byh_Z6Y8_3.QPsZUBmuOGWdfNQ4Ip1nQ.SamdHVcMODjmzYLW_43aOvwPekQL5W31V3xvyuoyb7zqvyRX6qql2jdLjgnrds5MD5RB2q2b1NF6oBASRjyIJjsRusleE8Fp5sDbF_cZfeAzV.v9I_e7TUVhFa5vrbzwgqpCcFDRaN6s20DIpRL9aNT.c3dbQ9XtFydknvwLYWq39pMwEOCb37Z3ohWCAYCwOeo.mR31rccsCl_7a417XZ1x7Ldo_ntvrZ8l4t5oRmNe7OSNDII0yXuRePnOi2rUsxCj0dHVqF6bwt9Xmbe7KcwWkz_fE36GRy0Rmg2WLRPjDKhSZwCY05HbZ7fxuDJHmBeCZHQ.iQyvEjoLuRkMPXqh16KShg0RX5GB16WJTFMoXKCC5ovfFzh6Qpn9qq3qzTsQrmaB5osuFp83484Z",mdrd: "WyY84fx99rWyLLeHymdY7mYM10p1Yd7qCbYQmhbMNJQ-1739118490-1.2.1.1-y7yVJZbzsc3rg_HEd7m3FiZa5nDYL0aZtkr0IfLBYyM7V0dOtaD89RwiuOMbSWwtNFKt4G3AqQvJOh8ai1R4KO2c9BT1HomizTLAt.J1DIyAYRr_HA7wxxoky_wPhB85wGojOHRNVO13lznEEnoVMaE73D0W8_TuyQPC1CjABWcgEiActv2NIJErW_afx0KXetWPC9ppIJ4Pau.TfWAMkwPw3DMHuJkELEflYuxFLJbQoWzsjO2X2Ef1lNUk6oCkzGvGzmJCgjALUtNdBic5S8nM0Y8TDFWPuuW7tAjpLKqhHW_g2_Kw8gSxpaExPAwrADLP4ZlPqMNhB3NlMPK4DZggrqtS8QTdvLanb..pUQ5jx5xwIUUuYFC8OXYhmOGUFs62Rxjke3zns6S2l_nReEZ08R3R8g0l4ZNS0qG.e5JdQHJZEGUH1vEfL1cpsl9fmbE1Aas7FpoRzWR0o0e08Cmfzm9s0h86ClW624BnzJai4VZEqncOBASSIwneObbZPkfT5KmxF2bjS5pM86RQB6zKhFcHaJu1sMknsORJT7NgmdY1q258Bayv1v9xcpa5kuPDjJX3oyr77uWwblC3ILznQHhJY0UXnaIIsTlDcB46w0u2bVN6LiVLywkwlgQRnicnyg1gP3MuABWJ.SfYP98opohhVUl.W4IodJHerXM6vwB4jDmGcWbxqkLEYSJ1KJ1kpz6gtcPp_knzxdBF7KIa_AEGzzE5j00mHzsPPNWQ0HU_Msa_7tTmttuc2PsATTsxca9WRufIew6tLytSAWuPtZcb4Ey7OoV.hX_TypcsC4wltcEUIYPWbSXuT6CTALLN.3j79Zgxsfqdvzun6OPmNHCicm5PiT39lEBgaVQQYYv9agxVYgwKx9uV8rxbGhWQXuQAeR.YgOlSjYqDl4WMRY7jE3ENhu7BugK3dIDDgTCgypCwy_own51UNJCiyaW6wbYqJXQvp7trP7HaYB.p1GdTrr8AM.L1uNKNMdXmEiJSRytgkSr3cN32mWU0w254KJzYfm6FiUV94E_H2S.bvFNav3_G0T7JxcLFYzbA7psEif0Ec6p8QMZJG6ccZfysW1LZTNXxK2CpPLRfj8ht9K6bbHiF2hatyKAO1dJ3I33DwRUKG4zHaO16CWzAvE987K5Plq3CJxr9xGyF12mKX0sch2MZQNB37csUQBmS2wLihpYcoQ38EmPmKqWqGn9M5lcK__pqlB0dJ21ckk8q409RTNp4OenBcuBXnat8yvakeGYPyHJr1p0Nyrsuue69hFKRiOgxff75I_fewVg7Tc7NJ6x0NzHovHUWUhK7A0RdbZZv0F97jemRlyMg.4rLWBisyJBDZxhsaQwJHpXkYXJ0ONpw4IrhYIyhhIGUTNKGyhqZ68gt0KzUDy0LAViXpFB5RqLr2Of_GQMw2foejPElMOyK.kTqs.1mHHVPih3T3y7txoJtDu8uMPE4l9_z1JfvAzmEl.kzTR12dnhkFpXYFQlSBjSYApyOXhXKqiOJAE6Um0hbF9b5mfEegs2ovbdpjio3J7mQInm7NQOQjVwvlTZctOwfPKLfcXWM5kYjcdOajYATJJyqugH.Vl4yJIc_kVneGp6SItZyfpBN2_9AjjFweDv.k5h8kC7dgCnvV.ETjeZ0tnwmgLRHDAXeCN04Qp2a44_TmdNgtyQfe1aXXZl8lQ8qzXU4zZahTajMKJfaL.eGpMv71MvSz4ZJyDfK.FDUulosqWqIZRXMsOrApN.5PIxr9_CKT3K6Jbh.SKyzK8GQbgDaDEYSPAeR8Io4NKW5vYJllKyMgQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f53b22eda22d0f';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/0698257134?__cf_chl_rt_tk=snl_iIYYLFF84sH52q0FU_s8kGtjnedAYBPXwRoyca8-1739118490-1.0.1.1-vusWzVCaCi5syOttxuI1VAD8h5VhsxWVsE3adMfNoGk" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda